def __execCmdInFreiburg(self, cmd): """Execute command on Freiburg login node via SSH. :param cmd: :return: Tuple: (return_code, std_out, std_err) """ frSsh = Ssh(host=self.getConfig(self.configFreiburgServer), username=self.getConfig(self.configFreiburgUser), key=self.getConfig(self.configFreiburgKey)) return frSsh.handleSshCall(call=cmd, quiet=True)